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149269842 = 23215154919
BaseRepresentation
bin10001110010110…
…10110101010010
3101101212200201200
420321122311102
5301203113332
622451212030
73461526021
oct1071326522
9341780650
10149269842
1177293707
1241ba7016
1324c04767
1415b788b8
15d18817c
hex8e5ad52

149269842 has 24 divisors (see below), whose sum is σ = 325565760. Its totient is φ = 49426200.

The previous prime is 149269837. The next prime is 149269859. The reversal of 149269842 is 248962941.

149269842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24742 + ... + 30177.

It is an arithmetic number, because the mean of its divisors is an integer number (13565240).

Almost surely, 2149269842 is an apocalyptic number.

149269842 is an abundant number, since it is smaller than the sum of its proper divisors (176295918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149269842 is a wasteful number, since it uses less digits than its factorization.

149269842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55078 (or 55075 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 149269842 is about 12217.6037748816. The cubic root of 149269842 is about 530.4657612136.

The spelling of 149269842 in words is "one hundred forty-nine million, two hundred sixty-nine thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 151 302 453 906 1359 2718 54919 109838 164757 329514 494271 988542 8292769 16585538 24878307 49756614 74634921 149269842